Minecraft Forums

Description: Updating screen events

java.lang.NoClassDefFoundError: io/netty/bootstrap/ServerBootstrap
at net.minecraft.network.NetworkSystem.func_151270_a(NetworkSystem.java:107)
at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2136)
at cpw.mods.fml.client.FMLClientHandler.tryLoadExistingWorld(FMLClientHandler.java:696)
at net.minecraft.client.gui.GuiSelectWorld.func_146615_e(GuiSelectWorld.java:183)
at net.minecraft.client.gui.GuiSelectWorld.func_146284_a(GuiSelectWorld.java:130)
at net.minecraft.client.gui.GuiScreen.func_73864_a(GuiScreen.java:225)
at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:296)
at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:268)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1640)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:973)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:898)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.ClassNotFoundException: io.netty.bootstrap.ServerBootstrap
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 18 more
Caused by: java.lang.OutOfMemoryError: Java heap space
at org.objectweb.asm.tree.MethodNode.visitVarInsn(Unknown Source)
at org.objectweb.asm.ClassReader.a(Unknown Source)
at org.objectweb.asm.ClassReader.b(Unknown Source)
at org.objectweb.asm.ClassReader.accept(Unknown Source)
at org.objectweb.asm.ClassReader.accept(Unknown Source)
at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:42)
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176)
... 20 more

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at net.minecraft.network.NetworkSystem.func_151270_a(NetworkSystem.java:107)
at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2136)
at cpw.mods.fml.client.FMLClientHandler.tryLoadExistingWorld(FMLClientHandler.java:696)
at net.minecraft.client.gui.GuiSelectWorld.func_146615_e(GuiSelectWorld.java:183)
at net.minecraft.client.gui.GuiSelectWorld.func_146284_a(GuiSelectWorld.java:130)
at net.minecraft.client.gui.GuiScreen.func_73864_a(GuiScreen.java:225)
at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:296)
at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:268)

-- Affected screen --
Details:
Screen name: net.minecraft.client.gui.GuiMainMenu
Stacktrace:
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1640)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:973)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:898)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.8.0_73, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
Memory: 40080 bytes (0 MB) / 259522560 bytes (247 MB) up to 259522560 bytes (247 MB)
JVM Flags: 1 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 1, tcache: 1, allocated: 12, tallocated: 94
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1558 Optifine OptiFine_1.7.10_HD_U_C1 41 mods loaded, 41 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAA FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1558-1.7.10.jar)
UCHIJAA Forge{10.13.4.1558} [Minecraft Forge] (forge-1.7.10-10.13.4.1558-1.7.10.jar)
UCHIJAA RenderPlayerAPI{1.4} [Render Player API] (minecraft.jar)
UCHIJAA TooManyItems{1.7.10} [TooManyItems] (minecraft.jar)
UCHIJAA securitycraft{v1.8.1} [SecurityCraft] ([1.7.10] SecurityCraft v1.8.1.jar)
UCHIJAA Your Records Mod{Alpha} [§aYour Records Mod] (Arkif - Your Records Mod [1.7.10] [v0.8.1].jar)
UCHIJAA ateliercanvas{0.2.0} [Atelier Canvas] (AtelierCanvas[1.7.10]-0.2.0.jar)
UCHIJAA Backpack{2.0.1} [Backpack] (backpack-2.0.1-1.7.x.jar)
UCHIJAA iChunUtil{4.2.2} [iChunUtil] (iChunUtil-4.2.2.jar)
UCHIJAA BackTools{4.0.0} [BackTools] (BackTools-4.0.0.jar)
UCHIJAA catwalkmod{1.1.0} [Catwalks] (catwalkmod-1.7.10-1.1.0.jar)
UCHIJAA craftguide{1.6.8.2} [CraftGuide] (CraftGuide-1.6.8.2-forge.jar)
UCHIJAA customnpcs{1.7.10d} [CustomNpcs] (CustomNPCs_1.7.10d.jar)
UCHIJAA DamageIndicatorsMod{3.2.0} [Damage Indicators] (Damage-Indicators-Mod-1.7.10.jar)
UCHIJAA DurabilityShow{1.2.0} [Durability Show] (DurabilityShow-1.7.10-1.2.0.jar)
UCHIJAA DynamicLights{1.3.9} [Dynamic Lights] (DynamicLights-1.7.10.jar)
UCHIJAA DynamicLights_onFire{1.0.5} [Dynamic Lights Burning Entity Module] (DynamicLights-1.7.10.jar)
UCHIJAA DynamicLights_creepers{1.0.4} [Dynamic Lights Creeper Module] (DynamicLights-1.7.10.jar)
UCHIJAA DynamicLights_dropItems{1.0.8} [Dynamic Lights EntityItem Module] (DynamicLights-1.7.10.jar)
UCHIJAA DynamicLights_entityClasses{1.0.1} [Dynamic Lights Entity Light Module] (DynamicLights-1.7.10.jar)
UCHIJAA DynamicLights_mobEquipment{1.0.8} [Dynamic Lights Mob Equipment Light Module] (DynamicLights-1.7.10.jar)
UCHIJAA DynamicLights_flameArrows{1.0.0} [Dynamic Lights Fiery Arrows Light Module] (DynamicLights-1.7.10.jar)
UCHIJAA DynamicLights_floodLights{1.0.2} [Dynamic Lights Flood Light] (DynamicLights-1.7.10.jar)
UCHIJAA DynamicLights_otherPlayers{1.0.8} [Dynamic Lights OtherPlayers Light Module] (DynamicLights-1.7.10.jar)
UCHIJAA DynamicLights_thePlayer{1.1.4} [Dynamic Lights Player Light Module] (DynamicLights-1.7.10.jar)
UCHIJAA dsurround{1.0.5.6} [Dynamic Surroundings] (DynamicSurroundings-1.7.10-1.0.5.6.jar)
UCHIJAA flansmod{4.10.0} [Flan's Mod] (Flans Mod-1.7.10-4.10.0.jar)
UCHIJAA foxlib{0.4.0} [FoxLib] (FoxLib-1.7.10.jar)
UCHIJAA gemsplus{1.7.10} [Gems+] (gemsplus-1.5-mc1.7.10.jar)
UCHIJAA GollumCoreLib{2.0.0} [Gollum Core Lib] (Gollum-Core-Lib-1.7.10.jar)
UCHIJAA GraviGun{4.0.0-beta} [GraviGun] (GravityGun-4.0.0-beta.jar)
UCHIJAA MetallurgyCore{4.0.4} [Metallurgy Core] (MetallurgyCore-1.7.10-4.0.4.18.jar)
UCHIJAA Metallurgy{4.0.6} [Metallurgy 4] (Metallurgy-1.7.10-4.0.6.80.jar)
UCHIJAA MorePistons{2.0.0} [More Pistons] (More-Pistons-Mod-1.7.10.jar)
UCHIJAA cuchaz.powerTools{1.7.10-1.3} [Power Tools] (powerTools-v1.7.10-1.3.jar)
UCHIJAA shouldersurfing{1.0} [ShoulderSurfing] (shouldersurfing-1.7.10.jar)
UCHIJAA soundfilters{0.8_for_1.7.X} [Sound Filters] (SoundFilters-0.8_for_1.7.X.jar)
UCHIJAA Tails{$version} [Tails] (Tails-1.7.10-1.0.0.jar)
UCHIJAA TextureGeneratorLib{0.2} [TextureGeneratorLib] (TextureGeneratorLib-1.7.10_vBeta2.jar)
UCHIJAA TooMuchTNT{2.9} [TooMuchTNT] (TooMuchTNT v2.9.jar)
GL info: ' Vendor: 'ATI Technologies Inc.' Version: '3.3.11672 Compatibility Profile Context' Renderer: 'ATI Radeon HD 4200'
Launched Version: 1.7.10-Forge10.13.4.1558-1.7.10
LWJGL: 2.9.1
OpenGL: ATI Radeon HD 4200 GL version 3.3.11672 Compatibility Profile Context, ATI Technologies Inc.
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: []
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)